<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
  <title>首页</title>
</head>
<body>
<h1 align="center">
  <a href="${pageContext.request.contextPath}/book/allBook">进入书籍页面</a>
</h1>
</body>
</html>
